Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9711688 | Controlling LED emission pattern using optically active materials | Daniel Roitman, Mark Melvin Butterworth, Matthias Heidemann, Hans-Helmut Bechtel, Joan Liu | 2017-07-18 |